2. Solve the systems of equations below without graphing. Explain or show your reasoning.
S -2x + 3y = 12
y=-2x+1
2x + 3y = 0
24x+y=9
+

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

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